Yer·ba n.  Bot. An herb; a plant.
 Note: ☞ This word is much used in compound names of plants in Spanish; as, yerba buena , a name applied in Spain to several kinds of mint (Mentha sativa, Mentha viridis, etc.), but in California universally applied to a common, sweet-scented labiate plant (Micromeria Douglasii).
 Yerba dol osa. [Sp., herb of the she-bear.] A kind of buckthorn (Rhamnus Californica).
 Yerba mansa. [Sp., a mild herb, soft herb.] A plant (Anemopsis Californica) with a pungent, aromatic rootstock, used medicinally by the Mexicans and the Indians.
 Yerba reuma. [Cf. Sp. reuma rheum, rheumatism.] A low California undershrub (Frankenia grandifolia).

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